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carpodaster/in-memory-db.rb

Created November 20, 2013 11:35
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Dynamically create an ActiveRecord class with an in-memory database
Raw
in-memory-db.rb
ActiveRecord::Base.establish_connection adapter: 'sqlite3', database: ':memory:'
ActiveRecord::Base.connection.execute <<-EOSQL
CREATE TABLE in_memory_records(
id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
name TEXT
);
EOSQL
Object.const_set 'InMemoryRecord', Class.new(ActiveRecord::Base)
InMemoryRecord.create name: 'Foo'
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